Her study found the glymphatic clearance was mediated by a hormone called norepinephrine and happened almost exclusively during the NREM sleep phase. But it only worked when sleep was natural. Anesthesia and sleeping pills shut this process down nearly completely.
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0 points
Apparently the water supply in my town is dosed with sleeping pills.
3 points
Honestly, it might be. When people pee, that toilet water goes somewhere.
